Product Description
The TQ3131 is a 3V, RF LNA IC designed specifically for Cellular band CDMA/AMPS applications. It’s RF performance meets the requirements of products designed to the IS-95 and AMPS standards. The TQ3131 is designed to be used with the TQ5131 (CDMA/AMPS mixer) which provides a complete CDMA receiver for 800MHz dual-mode phones.

Features
◾ Small size: SOT23-8
◾ Single 3V operation
◾ Low-current operation
◾ Gain Select
◾ Mode Select
◾ High IP3 performance
◾ Few external components

Applications
◾ IS-95 CDMA Mobile Phones
◾ AMPS Mobile Phones
◾ Dual Mode CDMA Cellular applications
◾ 832-870MHz CDMA applications